Base | Representation |
---|---|
bin | 11000101010101110… |
… | …10110010010101100 |
3 | 1021011221200120201212 |
4 | 30111113112102230 |
5 | 204110244002134 |
6 | 10030042453552 |
7 | 646116365330 |
oct | 142527262254 |
9 | 37157616655 |
10 | 13243344044 |
11 | 5686582437 |
12 | 26972042b8 |
13 | 1330923968 |
14 | 8d8bd17c0 |
15 | 5279bdbce |
hex | 3155d64ac |
13243344044 has 24 divisors (see below), whose sum is σ = 27400023840. Its totient is φ = 5480004096.
The previous prime is 13243344013. The next prime is 13243344067. The reversal of 13243344044 is 44044334231.
13243344044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×132433440442 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13243344044.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8153957 + ... + 8155580.
It is an arithmetic number, because the mean of its divisors is an integer number (1141667660).
Almost surely, 213243344044 is an apocalyptic number.
13243344044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
13243344044 is an abundant number, since it is smaller than the sum of its proper divisors (14156679796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13243344044 is a wasteful number, since it uses less digits than its factorization.
13243344044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16309577 (or 16309575 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 32.
Adding to 13243344044 its reverse (44044334231), we get a palindrome (57287678275).
The spelling of 13243344044 in words is "thirteen billion, two hundred forty-three million, three hundred forty-four thousand, forty-four".
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